Machine pob building tike casings and tubes



W. H. MAIOR AND F. H. GROVE.

MACHINE FOR BUILDING TlRE CASINGS AND TUBES.

APPLacATmN man sEPr.2.1919.

1,843,399, PatelltdJnne 15, 1920.

. 52 3 SHEETS-SHLET l.

l 'gj j @ir W. R. MAJOR ANI) F. H. GROVE: MACHINE FOR BUILDING TIRE CASINGS'AND TUBES.

AIPLICATIUN FILED SLPT. 2.1919.

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W. R. MAJOR AND F. H. GROVE.

MACHINE FOR BuiLUsNG TIRE CASINGS AND TUBES.

APPLICATION FiLED SEPT. 2.15MB.

1 ,343, 3 99 Patented J une 15, 1920.

8 SHEETS-SHEET 3.

WILLIAM E. MAJOR, 0F CGSHOCTON, AND FRANK H.

ASSIGNORS TO THE BANNER MACHINE COMPANY,

PURATION 0l' OHIO.

GROVE, `Ol? COL'UMBIANA, OHIO, 0F COLUMBIANA. OHIO, A COR.-

IIIACHINE FOR BUILDING TIRE CASINGS AND TUBS.

Specification of Letters Patent.

Patented June '15, 1920.

Appui-mon med september 2, 1919. serial No. 320,970.

To alt wkomit may Concl' rn: i

Be it known that We, WILLIAM R. MAJOR and FRANK H. Gnovr, both citizens of the United States, and residing at Coshocton, in the county of Coshocton and Stute of Ohio, and Columbiana, county of Columbiana., und State of Ohio, res' ectively7 have invented u new und useful ing Tire Casings and Tubes, (if-which the following is n specification.

This invention relates to machines for forming the outer eusings 'or inner tubes of pneumaticl tires and more particularly to a muehine provided with un open annuler form Within which the tire easing is huilt up.

The objects of the invention are to provide e tire casing and tube building machine provided with e rotatable annular channel Shaped form Within Whioh the tire casing or tube is'built; to construct the form ot' two separable annuler portions detzlehnoly secured together and arranged to he sepuruted after the tire is huilt to allow the removal of the same from the form; to provide a stitching device by means of which the material from which the casings are formed is properly stretched as it is placed Within the annular form and to provide Ineens for quiekly forming the tire casing or tube.

Vith these objects in view the invention consists in the novel construction und arrangement of parte, hereinafter described,

'illustrated in the accompanying drawings;

und particularly pointed out in the appended claims, it beinfmT understood that various changes in the form, proportions, size and minor details of construrtiou mig7 be mede within the scope ofV the appended leims, without departing from the spirit or sacrificing any of the advantages of the invention.

The invention thus set 4forth in general terms is illustrated in the neompauying drawings forming part hereof, inwhioh- Figure 1 is a vertical section teken through a tire-buildinglmuchine embodying the invention;

F 2 is e transverse section through the machine;

Fig. 3 is a plan View; and

liig. 4 isa fragmentary sectiouill view ou Yeehine for Buildthe shaft i en enlarged scale of. u portion of the annular form.

A practical embodiment of the invention is disclosed iu the furompunying druuf'ings,

forming :i part of this .sperilif-ntion in which similar numerals oi' reference indicate vorresponding parte throughout the several views.

The numeral l indivutes generally the freine work which supports the nuwhiue, the` loiifer part of Suid frame preferuhllil compri ing :L housing `within whir'h tho driving.r gearing is lavoro l, i motor 2 from Whirh power is derived is mounted upon n ,Suitable Support 3 located upon the fruine of the nn1- chine, the motor slmfft l having mounted thereon e. pinion which meshes with the large 2geur G mounted upon u shaft 7 trimsi vereely located through thrhousing` und journuled in suitable hem-ings 7' provided in the housing. .l lever 9 is pivoteduipon et substantially itel renter und near one end of seid lever is mounted e pinion Si meshing with the geur', u friction roller ll) being iixodly mnueoted to Suid piuion and arranged to engage the endless holt l1 as it passes around th(` periphery of the groovod Wheel l2. which wheel is mounted for rotation' upon the trunsver.L shaft 13 eurriod between the sido members l. link 14 eonuerts the extremity of the lever 8 od iucent the pinion 9 with u treudle l5 pivotrd ut 1G to` the frume und provided with u `foot portion l i.

Ageur 18 is mounted upon u stuh sin Y! il? carried upon the other side ot' tlul der o. said ,infor 'mesl'iing withihe pinion 20 which is mounted upon the slmft T. triitiou roller 21, is fixvdly conuerted to thi` geur 1H und is arranged to engage the endless holt 1.1 at n point where` -it posses around the periphery ofthe grooved wheel 22. link 23 Conner-ts this ond of the lever 8 with u treudle 24 p ivoted :it 25 to the freine 1 und provided With'u foot portion 26.

The endless belt ll passes inward upon euch sideuround the grooved w u fels,l l2 :und 22.2lnd over Smaller grooved wheels und then downwardly laround the under heli ol' the unnulurriugir 28 which ring is ol' proper diuuu't'or to rest upon llu` :roovod Wheels 12 und und between tlu` gri-mired wheels 27. tle ring heilig thus supported in u vertu-ul plane upon the endless` belt l] and between the [hinges of the i'onr l,grooved Wheels.

The rin 28 is provided with an inwardly disposed enge 29 to which are attached, by

means of spaced bolts 30, the two halves 3l and 32 of the open ammini' channel shaped form within which the tires are built up. This form is preferably` of the cross sectional shape best shown in Fig. 4 of the draw-ings.

The stitching device is mounted upon a vertical spindle 33 and is arranged to be swung horizontally thereon. An operatinv lever 34, located in a. substantially horizontal plane is pivoted at 35 to the frame of the stitching device indicated generally by the numeral 36, and a. substantially vertical operatingr lever 37 is pivoted :it 3S n pon the lever 34 nnd carries the yoke 559 Within which is mounted the stitching wheel 40. The lever 34 is provided with a curved slot il concentric with the pivotal point 3S, and a bolt 4:2 is passed through the lever 37 and the slot 41 in the lever 34, a nut 43 provided with an operating handle 44 being loca-ted upon said bolt. By this construction the stitching wheel may he moved into any position re uired.

The abrio indicated by the numeral. 45 is preferably carried upon a roll 4 6 mounted upon the upper portion of the stitching frame. The fabricl is thus held in eonven ient position with reference to the stitching wheel to be unwound from the roll 46 and placed Within the channel shaped form by the stitching wheel as the form is rotated.

Av crane 47 is hingedly attached to the frame of the machine at 4S. The upper end of this crane is bent into n substantially horizontal plane as shown at 49 und is provided With a head 710 hnvinfr a suitable bore through which is suspended e hook 51, the upper screw threaded portion 52 of said hook being engaged by e wheel nut 53 by means of which the hook muv be raised or lowered. This crane is desig ed to remove the section 32 of the form after tire has been built in order that the tire may be removed from the form and to re )lace seid section before the nent tire is `bn1lt within the form. l

In operating the machine to build a tire easing within the channel shaped form the tread portion and side walls of the casing are first placed within the form after which the breaker stri p is placed upon the treed or if desired the breaker strip may be ap lied to the tread before lacing inv the The form is prefer-ab y operated et a slow speed tobuild the tire and this is eccomplished by depressing the treadle 15, rocking the lever S into position to move the friction roller 21 into fric-tional engagement with the belt, driving the belt at a slow speed and thus slowly rotating the form.

cording to the size open annular revoluble form wit The fabric or cord ie then placed Within. the form and the stitlhing wheel operated to prese the fabric within the Side walls and tread portion of the tire. The cushion .strip may then he placed in the form and the inner plies' of cord or fabric are then stitched upon the inner surface of that portion of the tire which has been built within the form.

If it is desired to operate the form at n f :oniparatively fast rate of speed the trendle 26 is depressed, moving the friction roller 21 out of engagement with the belt 11 and throwing the friction. roller 'l0 into engagenient with the belt thus rota ting the 4iorin at a comlnirntively high rete of speed,

These inner eorrli,A or fabric may be coro.- poned ot :my desired numberof layers ncoi type of tire to be built. The beads; `are then placed in their proper position und the rcznninder of the cord or :fabric plies plint-.ed over the bends and stitched in place b v means of the stitch ing Wheel.

After the tire is thus huilt up the form is separated as above described and, the tire removed therefrom and lnished by vuleanization in the usual manner, preferably by placing upon an nir beg or tube.

l e claim:

1. A tire buildingl machine coni rising :in annular channel sheped form Witliin which the tire is built Ineens :for revolving the form as the tire is built therein, and means for stitching the timl within seid revoluble form.

2. A tire building machine including a. revoluble open channel shaped forni Within which the tire@ nre built and a. stitching device arrnnged to operate within said. form to stitch portions of the` tire as it is built within the forni.

3. A tire building machine including aJ4 revoluble channel shaped annular form separable around its periphery, and a stitching device arranged to operate within seid enmiler form to stitch portions of the tire as it is built therein. A

4. A tire building machine com Jrisin en in w ich the tires are built, a stitching device mounted adjacent to seid form, e stitching Wheel upon said stitching device and moving said Wheel vertically and horizon#` tally to bring it into contact with all parts..` of the-tire as it is huilt within the forni.y

5. A tire building machine comprising a revoluble channel shaped annuler form within which the tires are built and a l'ricLL tion belt engaging the periphery ofthe form for revolving the seme.

6. A tire building machine comprising,` :in annular channel shaped fer-n; extraible around its periphery, within Whiel"A the tires are built. :i revolub e ring Within which the 'means for A form is mounted, flan ed Wheels en aging the ring and s, belt ocated aronn said wheels and engagin he periphery of the ring, for revolving same.

7 A tire buldmg machine including a revoluble channel shaped annular form within `which the tires are built, e stitching device arranged to operate Within the form and means fm revolving the form at hi h Speed er lmv speed.

n testimony that we claim the above, we lieve hereunto subscribed our names.

1JSILLIAMI MAJOR. FRANK H. GROVE. 

